mb_http_output
(PHP 4 >= 4.0.6, PHP 5)
mb_http_output — Set/Get HTTP output character encoding
Description
   mixed mb_http_output
    ([ string $encoding
  ] )
  If encoding is set, mb_http_output() sets HTTP output character encoding to encoding . Output after this function is converted to encoding . mb_http_output() returns TRUE for success and FALSE for failure.
If encoding is omitted, mb_http_output() returns current HTTP output character encoding.
See also mb_internal_encoding(), mb_http_input(), mb_detect_order().